.column {
    padding: 50px 0;
    border-bottom: 1px solid #eee;
}

.column:first-of-type{
    padding-top: 0;
}

.column:last-of-type {
    padding-bottom: 0;
    border-bottom: none;
}

.column header {
    font-size: 16px;
    font-weight: bold;
    padding-bottom: 15px;
}

.hd {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hd .logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    box-shadow: 2px 4px 8px rgba(0, 0, 0, 0.1), 5px 8px 10px rgba(0, 0, 0, 0.1);
}

.hd .title {
    margin: 20px 0;
    font-size: 18px;
    font-weight: bold;
}

.hd .download{
    margin-top: 30px;
    background-color: #fd9927;
    width: 140px;
    text-align: center;
    line-height: 40px;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
}

.description .cont {
    text-indent: 2em;
    font-size: 14px;
    line-height: 22px;
    color: #888;
}

.screenshot ul {
    overflow-x: auto;
    list-style: none;
    white-space: nowrap;
    font-size: 0;
    border: 1px solid #eee;
    padding: 10px;
}

.screenshot ul li {
    width: calc((100% - 20px) / 3);
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}

#hide {
    display: none;
}

.screenshot ul li img {
    display: block;
    width: 100%;
    cursor: pointer;
}

.screenshot ul li img:hover {
    opacity: 0.6;
}

.related ul li {
    padding: 8px 0;
    list-style: none;
    border-bottom: 1px solid #eee;
}

.related ul li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    font-size: 15px;
    color: #666;
}

.related ul li a:hover {
    color: #fd9927;
}

.related ul li a .index {
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 50%;
    border: 1px solid #ccc;
    font-size: 12px;
    margin-right: 10px;
}

.related ul li:nth-child(1) a .index {
    color: #fff;
    border: none;
    background-color: red;
}

.related ul li:nth-child(2) a .index {
    color: #fff;
    border: none;
    background-color: coral;
}

.related ul li:nth-child(3) a .index {
    color: #fff;
    border: none;
    background-color: orange;
}

.related ul li a .title {
    width: 90%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.related ul li a .link_icon {
    font-size: 12px;
    color: #bbb;
}

.mask_wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
}

.mask_wrapper.show{
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 768px) {
    .column:first-of-type{
        padding-top: 30px;
    }
    .hd .download{
        width: 100%;
    }
}